import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/User/Users.vue'
import Rights from '../components/Power/Rights.vue'
import Roles from '../components/Power/Roles.vue'
import Cate from "../components/Goods/Cate.vue"
import Params from '../components/Goods/Params.vue'
import List from '../components/Goods/List.vue'
import Add from '../components/Goods/Add.vue'
import Oreder from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)



const router = new VueRouter({
  routes:[
      {path:'/',redirect:'/login'},
      {path:'/login',component:Login},
      {
      path:'/home',
      component:Home,
      redirect:'/welcome',
      children:[{path:'/welcome',component:Welcome},
                {path:'/users',component:Users},
                {path:'/rights',component:Rights},
                {path:'/roles',component:Roles},
                {path:'/categories',component:Cate},
                {path:'/params',component:Params},
                {path:'/goods',component:List},
                {path:'/goods/add',component:Add},
                {path:'/orders',component:Oreder},
                {path:'/reports',component:Report}]
      },
      
  ],
})

//挂载路由导航守卫
router.beforeEach((to,from,next)=>{
  //to将要访问的路径
  //from从哪个路径跳转
  //next 是一个函数，调用就是放行
  //next()放行 next('/login')强制跳转

  if(to.path ==='/login') return next();
   const token = window.sessionStorage.getItem('token');
   if(!token) return next('/login');
   next();
})
export default router

